Review reviewCritical
CVE-2026-30121
remotion
remotion-dev remotion v4.0.409 was discovered to contain an arbitrary file write vulnerability.
- CVSS
- 9.1
- EPSS
- 0.32% 24.9% percentile
- CISA KEV
- Not listed
- Published
- 2026.06.16
Review review
The CVSS severity warrants an early asset and exposure review.
Known exploitationNot established by KEV
Exploit probability0.32%
Technical severityCVSS 9.1
Vulnerability overview
remotion-dev remotion v4.0.409 was discovered to contain an arbitrary file write vulnerability.
Affected product and versions
- Product
- remotion
- Affected versions
- 4.0.409
- Fixed versions
- No verified fixed-version field is available yet
Recommended response sequence
Confirm exposure before applying a vendor-supported change.
- 1Identify
Confirm that remotion and an affected version are present.
- 2Prioritize
Combine exploitation signals with asset exposure and business criticality.
- 3Remediate
Follow the vendor advisory or supported update path and preserve rollback options.
- 4Verify
Recheck the version, service health, access paths, and relevant logs.
Technical data
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
- CWE
- CWE-123